edited by Yves Chapel
International Institute of Administrative Sciences, 1977
Buku Teks
Marvin, Philip Roger, author
Research Press, 1954
Buku Teks
edited by Philip Kotler, Keith K. Cox
Prentice-Hall, 1984
Buku Teks
Bradley, Joseph F., author
Dryden Press, 1974
Buku Teks
Bradley, Joseph F., author
Holt, Rinehart and Winston, 1969
Buku Teks